Grim
Grim adjective - Harsh and threatening in manner or appearance.
Unmerciful and grim are semantically related in ruthless topic. In some cases you can use "Unmerciful" instead an adjective "Grim", when it comes to topics like unforgiving.
Unmerciful
Unmerciful adjective - Having or showing a lack of sympathy or tender feelings.
Usage example: the critics were unmerciful in their assessments of the young actress's performance
Grim and unmerciful are semantically related in ruthless topic. Sometimes you can use "Grim" instead an adjective "Unmerciful", if it concerns topics such as unforgiving.
Nearby Word: unmercifully
Mutual synonyms
Cite this Source
Unmerciful and Grim. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/grim/unmerciful
Grim & Unmerciful. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/grim/unmerciful>.
Unmerciful or Grim. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/grim/unmerciful.
Google Ngram Viewer shows how "grim" and "unmerciful" have occurred on timeline